Option to clear cache

core/base/src/main/res/values/strings.xml

@@ -1419,4 +1419,5 @@ Used in this dialog window. Should be short -->
     <string name="calculator_settings_support">History view</string>
     <string name="converter_settings_support">Unit groups, sorting, formatting</string>
     <string name="display_settings">Display</string>
+    <string name="clear_cache">Clear cache</string>
 </resources>

data/database/src/main/java/com/sadellie/unitto/data/database/CurrencyRatesDao.kt

@@ -31,4 +31,7 @@ interface CurrencyRatesDao {
 
     @Query("SELECT DISTINCT * FROM currency_rates WHERE timestamp = (SELECT MAX(timestamp) FROM currency_rates) AND base_unit_id = :baseId")
     suspend fun getLatestRates(baseId: String): List<CurrencyRatesEntity>
+
+    @Query("DELETE FROM currency_rates")
+    suspend fun clear()
 }

feature/settings/build.gradle.kts

@@ -33,6 +33,7 @@ dependencies {
     implementation(libs.androidx.appcompat.appcompat)
 
     implementation(project(":data:common"))
+    implementation(project(":data:database"))
     implementation(project(":data:model"))
     implementation(project(":data:userprefs"))
     implementation(project(":data:licenses"))

feature/settings/src/main/java/com/sadellie/unitto/feature/settings/SettingsScreen.kt

@@ -21,6 +21,7 @@ package com.sadellie.unitto.feature.settings
 import androidx.compose.foundation.clickable
 import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Cached
 import androidx.compose.material.icons.filled.Calculate
 import androidx.compose.material.icons.filled.Home
 import androidx.compose.material.icons.filled.Info
@@ -64,6 +65,7 @@ internal fun SettingsRoute(
         navigateUp = navigateUp,
         navControllerAction = navControllerAction,
         updateVibrations = viewModel::updateVibrations,
+        clearCache = viewModel::clearCache
     )
 }
 
@@ -73,6 +75,7 @@ private fun SettingsScreen(
     navigateUp: () -> Unit,
     navControllerAction: (String) -> Unit,
     updateVibrations: (Boolean) -> Unit,
+    clearCache: () -> Unit,
 ) {
     val mContext = LocalContext.current
 
@@ -146,7 +149,15 @@ private fun SettingsScreen(
                 )
             }
 
-            // RATE THIS APP
+            item("clear cache") {
+                UnittoListItem(
+                    headlineText = stringResource(R.string.clear_cache),
+                    icon = Icons.Default.Cached,
+                    iconDescription = stringResource(R.string.clear_cache),
+                    modifier = Modifier.clickable { clearCache() },
+                )
+            }
+
             if (BuildConfig.STORE_LINK.isNotEmpty()) {
                 item("rate this app") {
                     UnittoListItem(
@@ -179,5 +190,6 @@ private fun PreviewSettingsScreen() {
         navigateUp = {},
         navControllerAction = {},
         updateVibrations = {},
+        clearCache = {}
     )
 }

feature/settings/src/main/java/com/sadellie/unitto/feature/settings/SettingsViewModel.kt

@@ -21,6 +21,7 @@ package com.sadellie.unitto.feature.settings
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import com.sadellie.unitto.data.common.stateIn
+import com.sadellie.unitto.data.database.CurrencyRatesDao
 import com.sadellie.unitto.data.userprefs.GeneralPreferences
 import com.sadellie.unitto.data.userprefs.UserPreferencesRepository
 import dagger.hilt.android.lifecycle.HiltViewModel
@@ -30,6 +31,7 @@ import javax.inject.Inject
 @HiltViewModel
 internal class SettingsViewModel @Inject constructor(
     private val userPrefsRepository: UserPreferencesRepository,
+    private val currencyRatesDao: CurrencyRatesDao,
 ) : ViewModel() {
     val userPrefs = userPrefsRepository.generalPrefs
         .stateIn(viewModelScope, GeneralPreferences())
@@ -40,4 +42,8 @@ internal class SettingsViewModel @Inject constructor(
     fun updateVibrations(enabled: Boolean) = viewModelScope.launch {
         userPrefsRepository.updateVibrations(enabled)
     }
+
+    fun clearCache() = viewModelScope.launch {
+        currencyRatesDao.clear()
+    }
 }